package org.lites.dcimmodifier;

import android.content.Context;
import android.util.Log;

import java.io.File;
import java.io.FileOutputStream;
import java.nio.charset.Charset;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

/**
 * Created by YuShuangPing on 2018/12/15.
 */
public class ZipUtils {
    public static final String TAG = "ZIP";

    public ZipUtils() {

    }


    /**
     * 解压assets目录下的zip到指定的路径
     *
     * @param zipFileString ZIP的名称，压缩包的名称：xxx.zip
     * @param outPathString 要解压缩路径
     * @throws Exception
     */
    public static void UnZipAssetsFolder(Context context, String zipFileString, String
            outPathString) throws Exception {
        ToastUtils.showLong(context,"解压示范曲，请稍等");
        ZipInputStream inZip = new ZipInputStream(context.getAssets().open(zipFileString), Charset.forName("GBK"));
        ZipEntry zipEntry;
        String szName = "";
        while ((zipEntry = inZip.getNextEntry()) != null) {
            szName = zipEntry.getName();
            if (zipEntry.isDirectory()) {
                //获取部件的文件夹名
                szName = szName.substring(0, szName.length() - 1);
                File folder = new File(outPathString + File.separator + szName);
                folder.mkdirs();
            } else {
                Log.e(TAG, outPathString + File.separator + szName);
                File file = new File(outPathString + File.separator + szName);
                if (!file.exists()) {
                    Log.e(TAG, "Create the file:" + outPathString + File.separator + szName);
                    file.getParentFile().mkdirs();
                    file.createNewFile();
                }
                // 获取文件的输出流
                FileOutputStream out = new FileOutputStream(file);
                int len;
                byte[] buffer = new byte[1024];
                // 读取（字节）字节到缓冲区
                while ((len = inZip.read(buffer)) != -1) {
                    // 从缓冲区（0）位置写入（字节）字节
                    out.write(buffer, 0, len);
                    out.flush();
                }
                out.close();
            }
        }
        inZip.close();
        ToastUtils.showLong(context,"解压示范曲完成");
    }
}
//————————————————
//    版权声明：本文为CSDN博主「yushuangping」的原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接及本声明。
//    原文链接：https://blog.csdn.net/yushuangping/article/details/85013230
